Tread down switch pedal, connect power supply, then holing needle starts to rotate and operate.

踏下脚踏开关，接通电源，钻针旋转工作。

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Zimmer reached down on his console and flipped a toggle switch.

齐默把手伸到控制台上并按下了切换开关。

《柯林斯英汉双解大词典》

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Electric boost is also available when a kick-down switch in the throttle pedal is activated by the driver during acceleration.

ENGADGET: Porsche Panamera S E-Hybrid plug-in model brings 416 guilt-free horsepower

Musegaas believes Indian Point will have to either shut down or switch to closed-cycle cooling, which Entergy is challenging.

WSJ: Feds: Relatively few fish die if NY nukes continue

Otherwise, any gains it makes on the factory floor will quickly be erased as its customers drive down prices or switch to foreign suppliers.

FORBES: Attractive And Available